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Fire

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Displaying 3126 - 3150 of 3910

Inhibition of Flames by Condensed-Phase Agents

March 26, 1996
Author(s)
Gregory T. Linteris, D Reinelt
The ban on the production of the fire suppressant CF3Br has created a need for replacement agents. Obvious alternatives are other halogenated hydrocarbons, and much research has recently been devoted to understanding their relative performance and

Office Work Station Heat Release Rate Study: Full Scale vs. Bench Scale

March 26, 1996
Author(s)
Daniel M. Madrzykowski
The National Institute of Standards and Technology (NIST) has conducted a study with office work stations to examine their heat release rates and to determine if the peak heat release rate for a work station can be predicted accurately from cone

Signatures of Smoldering/Pyrolyzing Fires for Multi-Element Detector Evaluation

March 26, 1996
Author(s)
Thomas G. Cleary, William L. Grosshandler, Marc R. Nyden, William J. Rinkinen
Levels of CO, CO2, H2O, hydrocarbons, smoke, temperature and velocity produced in the plumes of smoldering/pyrolyzing wood and smoldering cotton fires are reported, following test protocols described for evaluating automatic fire detection systems. The

Tomographic Reconstruction of Probability Density Functions in Turbulent Flames

March 26, 1996
Author(s)
P Vallikul, R Goulard, C Mavriplis, Marc R. Nyden
Local probability density functions (PDF) of absorption coefficients within turbulent flames have been retrieved from their multi-angular absorption data of path-integrated probability density functions via a series of numerical techniques. First the

Enhancement of R123 Pool Boiling by the Addition of N-Hexane (NISTIR 5780)

March 1, 1996
Author(s)
Mark A. Kedzierski
This paper presents the heat transfer data used to file international patent WO 94/18282. The data consisted of pool boiling performance of a GEWA-TTM surface for three fluids: (1) pure R123, (2) R123/n-hexane (99/1), and (3) R123/n-hexane (98/2). The heat

Santa Ana Fire Department Experiments at South Bristol Street (NISTIR 5776)

February 1, 1996
Author(s)
William D. Walton, Anthony D. Putorti Jr., W H. Twilley, John Albers
A series of fire experiments were conducted in vacant single family dwellings on South Bristol Street in Santa Ana, California. Fire experiments were conducted in bedrooms and living rooms. Fuels consisted of either home furnishings or a propane burner

Simplified Design Procedure for Hybrid Precast Concrete Connections

February 1, 1996
Author(s)
Geraldine S. Cheok, William C. Stone, S. D. Nakaki
A rational design procedure is presented to compute the probable moment, the nominal moment, and the story drift capacities of a hybrid precast moment-resisting beam-to-column connection. The hybrid connections consist of mild steel which is used to

Heat Release Mechanisms in Inhibited Laminar Counterflow Flames (Journal)

January 1, 1996
Author(s)
Ki Y. Lee, Don J. Cha, Anthony Hamins, I K. Puri
Due to the participation of inhibitors in flame chemistry, it is difficult to concurrently characterize the complex interaction between their cooling action, and the chemical inhibition (which decrease temperature), and their contribution of heat release

Rapid Discharge of a Fire Suppressing Agent

January 1, 1996
Author(s)
Jiann C. Yang, William M. Pitts, B D. Breuel, William L. Grosshandler, W G. Cleveland
This paper describes an experimental method to study the rapid discharge of a fire suppressant (C3F8) from a pressurized vessel. Experimental observations inside and at the exit of the vessel were made using high-speed photography. Boiling was not observed

THE INFLUENCE OF HALOGENATED FIRE SUPPRESSANTS ON THE COMBUSTION OF C1-C2 HYDROCARBONS

January 1, 1996
Author(s)
Valeri I. Babushok, Donald R. Burgess Jr., T Noto, Anthony P. Hamins, Wing Tsang, A W. Miziolek
Numerical simulations of the combustion of a number of fuels; (CH,, CH,OH, C2H,, GH, and C&J in air, in the presence and absence of fire suppressants, (CF,Br, CFJ, CF,, Cm3, GF6, and QF5H) have been carried out The simulations considered reactions in a

Agent Stability Under Storage (NIST SP 890)

November 1, 1995
Author(s)
Richard H. Harris Jr.
Significant losses in fire suppression effectiveness and increases in toxicity are possible if a fire extinguishing agent degrades during multi-year storage. Halon 1301 is known to be stable in metal containers for many years, and any trace degradation

Introductory Remarks (NISTIR 5766)

November 1, 1995
Author(s)
Jiann C. Yang
Objectives of the Workshop: (1) to identify what we know and don't know in gas generator technology for fire suppression; (2) to identify future research areas in gas generator technology for fire suppression; (3) to identify potential users and address

Optimization of System Discharge (NIST SP 890)

November 1, 1995
Author(s)
Jiann C. Yang, Thomas G. Cleary, I Vazquez, C I. Boyer, M D. King, B D. Breuel, C A. Womeldorf, William L. Grosshandler, Marcia L. Huber, L Weber, G. Gmurczyk
Current aircraft fire suppression bottles for dry bay and engine nacelle applications, which are designed to meet Military Specification MIL-C-22284A (proof pressure of 9.62 MPa and minimum burst pressure of 12.37 MPa), are normally filled with liquid
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